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fluorescent light, electronic ballasts

Discussion in 'Hobby Electronics' started by TPr, Feb 27, 2009.

  1. TPr

    TPr Guest

    twin 36watt fluoro with plastic diffuser, made in china.

    when switched OFF, you can run your hand along the plastic diffuser and the
    tubes flicker.

    what the ****?!

    possibly the house wiring is incorrect for this light and the neutral is
    switched for this light rather than the active, will have to check it out.
     
  2. KR

    KR Guest

    thats whats happening.
     
  3. Lord Garth

    Lord Garth Guest

    thats whats happening.

    Static electricity has that effect of fluorescent tubes...take one out of
    its fixture and try it any time you can build a static charge.
     
  4. Mr.T

    Mr.T Guest

    Or other electric fields such as RF, or even nearby high voltage
    transmission lines.

    MrT.
     
  5. ian field

    ian field Guest

    When I was a teenager the local council sited the refuse tip at the end of
    the industrial estate with the 400kV national grid pylons running through a
    field just beyond that.

    A gang of us used to regularly skip raid all the flouro tubes we could find
    and stick them in the mud under the overhead cables - quite a spectacle for
    passengers on the rail line that ran past the industrial estate.

    (wonder where the mercury ended up when the farmer ploughed them in?!).
     
  6. KR

    KR Guest

    Oh, Im sure that he disposed of it in some sickeningly green way :)

    Did he grow corn, vegies, ie: foods that people ate without much
    processing involved ?
     
  7. ian field

    ian field Guest

    Oh, Im sure that he disposed of it in some sickeningly green way :)

    Did he grow corn, vegies, ie: foods that people ate without much
    processing involved ?

    ****************************

    No idea - it was just a ploughed field when we stuck the flouro tubes in it.
     
  8. terryc

    terryc Guest

    How high and what voltage were the power lines?
     
  9. KR

    KR Guest

    Tried it once on side of the highway under some unusually low hanging
    330kv lines and a 30w tube. it was difficult to get it to light,
    needed to hold it in a precise place a couple of centimetres from the
    end to get it to light at all, even then it wasn't very bright.

    might be dry soil there or something ?
     
  10. ian field

    ian field Guest

    I stated what voltage in my first contribution to this thread.
     
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